Meaning

noun a number or letter indicating quality (especially of a student's performance)

noun a distinguishing symbol

noun a reference point to shoot at

originFrom Middle English mark, merk, merke, from Old English mearc (“mark, sign, line of division; standard; boundary, limit, term, border; defined area, district, province”), from Proto-West Germanic *marku, from Proto-Germanic *markō (“boundary; boundary marker”), from Proto-Indo-European *mórǵs (“edge, boundary, border”). Compare march. Cognates * Dutch mark, merk (“mark, brand”) * German Mark…

Etymology from Wiktionary, CC BY-SA 3.0